Especially considering that upon reviewing your past threads, it appears that you weren't involved in any bounty campaigns at the time of your ban. This fact leads me to believe that your actions were not motivated by financial gain, but rather a lapse in judgement or a misunderstanding of the rules.
If OP can prove that with enough strong evidence, I think he will be given another chance because I have seen at least one member unbanned with such a case. Why OP shouldn't be? Few people have shared that OP is a spammer, OP post quality is too low, etc. If someone is too much spammer and got banned, that's something else but if they haven't got banned for spamming then he deserves a 2nd chance in such a case.